"Straight-Out Democratic Party" (or "Straightout Democratic Party") is the name used by three minor American political parties between 1872 and 1890.
The first Straight-Out Democratic Party played a minor role in the U.S. presidential election of 1872. An unrelated Straightout Democrat (no hyphen) faction of the South Carolina Democratic Party triumphed in the 1876 South Carolina gubernatorial election, and a revival of the 1876 party played a minor role in the 1890 South Carolina gubernatorial election. The Straightout Democrat was also a newspaper in Columbia, South Carolina, active between 1878 and 1879.